Gia invented the science of grading diamonds with the 4cs and the international diamond grading system standards used by jewelry professional around the world.
What is gia diamond grading.
The gia scale measures the color grade of diamonds size position and nature of the diamond as well as the other three c s of diamond grading.
The gia diamond grading report includes an assessment of a diamond s 4cs color clarity cut and carat weight along with a plotted diagram of its clarity characteristics and a graphic representation of the diamond s proportions.
Gia diamond grading report.
The gia diamond origin report represents gia s latest innovation in diamond identification.
The grading reports issued by gia gemological institute of america are recognized as the most respected and impartial reporting in the diamond industry with objectivity and expertise as its hallmarks gia ensures the integrity and accuracy of every grading report it issues.
For loose natural d to z color diamonds only weighing 0 15 carats or more that were submitted for rough analysis.
Carat clarity and diamond cut grade.
The diamond is evaluated measured and scrutinized using trained eyes a jeweler s loupe a microscope and other industry tools.
The gia diamond dossier is a more concise compact version of the gia diamond grading report and is available for diamonds that weigh.
A diamond grading report from an unbiased scientific source such as gia is more than important information it s proof of what you are buying.
The differences in diamonds can be so subtle even a trained jeweler can t recognize them without lab verification.
A gia diamond certification issued by the gemological institute of america gia also called a diamond grading report or diamond dossier is a report created by a team of gemologists.
In addition to a full unbiased 4cs assessment the report also identifies the diamond s country of origin.
Like the color scale gia s clarity grading system developed because jewelers were using terms that could be misinterpreted loupe clean or piqué today even if you buy a diamond somewhere else in the world the jeweler will most likely use terms like vvs 1 or si 2 to indicate the clarity of a diamond even if his or her.
What is a gia diamond grading report.
For standard round brilliant cut diamonds falling in the d to z color range.
There are 11 different grades in the gia diamond grading scale.
So there s no better place to study the art and science of diamond grading.
With a gia diamond grading report you can be sure that your diamond is a natural diamond.
What is the gia diamond grade scale.